Home / 156,982.50-216,655.47-89,914.50

Finding the Fourth Proportional to 156,982.50, 216,655.47 and 89,914.50

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Solution

The fourth proportional to 156,982.50, 216,655.47 and 89,914.50 is: 124,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,982.50 : 216,655.47 = 89,914.50 : x
  2. Step 2: Convert to fraction form
    156,982.50/216,655.47 = 89,914.50/x
  3. Step 3: Cross multiply
    156,982.50x = 216,655.47 × 89,914.50
  4. Step 4: Simplify right side
    156,982.50x = 19,480,468,257.32
  5. Step 5: Solve for x
    x = 19,480,468,257.32/156,982.50
  6. Step 6: Final answer
    x = 124,093.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.